Plasma membranes are selectively permeable. This means that
A) anything can pass into or out of a cell as long as the membrane is intact and the cell is healthy.
B) the plasma membrane allows some substances to enter or leave a cell more easily than others.
C) glucose cannot enter the cell.
D) plasma membranes must be very thick.
Correct Answer:
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Q1: When two aqueous solutions that differ in
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Q4: Oxygen crosses a plasma membrane by
A) osmosis.
B)
Q5: Which of the following statements regarding diffusion
Q6: The cholesterol associated with animal cell membranes
A)
Q7: If you were working for a pharmaceutical
Q8: Most of the functions of a cell
Q9: Osmosis can be defined as
A) the diffusion
Q10: Diffusion does not require the cell to
Q11: Which of the following statements regarding membrane
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